/*
 * Copyright 2012 Gregor Schauer
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package at.schauer.gregor.vienna.serializer.decomposer;

import org.springframework.beans.ConfigurablePropertyAccessor;
import org.springframework.beans.PropertyAccessorFactory;
import org.springframework.util.ReflectionUtils;

import java.lang.reflect.Field;
import java.util.Map;

/**
 * @author Gregor Schauer
 */
public class DirectFieldDecomposer<T> implements ObjectDecomposer<T> {
	@Override
	public Map<String, Object> deconstruct(final Map<String, Object> map, final T obj) {
		ReflectionUtils.doWithFields(obj.getClass(), new ReflectionUtils.FieldCallback() {
			ConfigurablePropertyAccessor propertyAccessor = PropertyAccessorFactory.forDirectFieldAccess(obj);

			@Override
			public void doWith(Field field) {
				map.put(field.getName(), propertyAccessor.getPropertyValue(field.getName()));
			}
		});
		return map;
	}
}
